Table 1.
Baseline characteristics of recruited infants and their mothers.
| Control group (N = 73) | Filter group (N = 72) | p-value | |
|---|---|---|---|
| Mothers | |||
| Multiple gestation | 27 (37%) | 25 (35%) | 0.78 |
| Gestational hypertension | 19 (26%) | 17 (24%) | 0.74 |
| Gestational diabetes | 5 (7%) | 2 (3%) | 0.25 |
| Antibiotics | 54 (74%) | 53 (74%) | 0.96 |
| Tocolysis | 46 (64%) | 47 (65%) | 0.86 |
| Prolonged rupture of membranes >24 h | 24 (33%) | 21 (29%) | 0.63 |
| Antenatal corticosteroids | 67 (92%) | 64 (89%) | 0.56 |
| Histological chorioamnionitis | 13/62 (21%) | 14/66 (21%) | 0.97 |
| Cesarean section | 34 (47%) | 29 (40%) | 0.44 |
| Infants | |||
| Male | 34 (47%) | 31 (43%) | 0.67 |
| Gestationnal age (week) | 30.0 (27.6–31.3) | 30.2 (27.2–31.1) | 0.80 |
| Birthweight (g) | 1250 (940–1372) | 1110 (850–1368) | 0.24 |
| Intrauterine growth retardation | |||
| <10th perc. | 19 (26%) | 22 (31%) | 0.74 |
| <3rd perc. | 12 (16%) | 15 (20%) | |
| Head circumference (cm) | 26 (24–28) | 26 (23–28) | 0.34 |
| Apgar score at 1 min | 8 (5–9) | 7 (4–9) | 0.54 |
| Apgar score at 5 min | 9 (8–10) | 9 (7.5–10) | 0.64 |
| CRIB II score | 7 (4–10) | 7 (4–10) | 0.93 |
| Blood cord pH value | 7.33 (7.27–7.38) | 7.32 (7.24–7.38) | 0.46 |
| Early onset sepsis | 10/73 (14%) | 11/70 (16%) | 0.82 |
Data are expressed as n (%), n/N (%), or median (interquartile range).
CRIB denotes Clinical Risk Index for Babies.